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The Range
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280 AI Loads
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<blockquote data-quote="Jcann" data-source="post: 3107993" data-attributes="member: 33119"><p>I'm unsure of what you're referencing but yes I shoot 180 gr Bergers in my 7wsm. I've shot all three types; Hunting, Hybrid, and Match. When the barrel was new I could push them a little over 3000fps but settled at about 2950fps. Now that the barrel has slowed down I'm doing good to get 2850-2900fps. My go to load was 65.8gr of H1000. I've got 2 new bags of Winchester brass that I need to brass prep and start all over looking for an accurate load.</p><p></p><p>With the 7wsm being a short action I haven't even looked at Berger 195gr, although my barrel is twisted sufficient enough for them I don't think I can get the speed to take full advantage of their high BC.</p><p></p><p>The 280ai is an excellent chambering. It's hard to say what weight bullet will work the best in it but I would try anything from 162-180gr in it.</p><p></p><p>Here is a stability calculator to help determine if your twist rate is sufficient to stabilize a particular bullet:</p><p><a href="http://www.bergerbullets.com/twist-rate-calculator/" target="_blank">http://www.bergerbullets.com/twist-rate-calculator/</a></p></blockquote><p></p>
[QUOTE="Jcann, post: 3107993, member: 33119"] I'm unsure of what you're referencing but yes I shoot 180 gr Bergers in my 7wsm. I've shot all three types; Hunting, Hybrid, and Match. When the barrel was new I could push them a little over 3000fps but settled at about 2950fps. Now that the barrel has slowed down I'm doing good to get 2850-2900fps. My go to load was 65.8gr of H1000. I've got 2 new bags of Winchester brass that I need to brass prep and start all over looking for an accurate load. With the 7wsm being a short action I haven't even looked at Berger 195gr, although my barrel is twisted sufficient enough for them I don't think I can get the speed to take full advantage of their high BC. The 280ai is an excellent chambering. It's hard to say what weight bullet will work the best in it but I would try anything from 162-180gr in it. Here is a stability calculator to help determine if your twist rate is sufficient to stabilize a particular bullet: [URL]http://www.bergerbullets.com/twist-rate-calculator/[/URL] [/QUOTE]
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